The Spacer,sleeve, cataloged under National Stock Number 5365-01-358-2255, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Aertekno S.r.l.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-358-2255 |
| Primary Part Number | NAS43DD3-42N |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Aertekno S.r.l. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | MIL-A-8625,TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.3020 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | WW-T-700/3,TY1,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.1940 INCHES MINIMUM AND 0.2340 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS43 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NAS43DD3-42N | Aertekno S.r.l. (ITA) |
| Reference | Meaning |
|---|---|
| NAS43 | 3/1 Design control — primary reference U.S. Government activity |
| NAS43DD3-42FC | 5/2 Secondary reference U.S. Government activity |
| NAS43DD3-42N | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-358-2255 is a Spacer,sleeve, manufactured by Aertekno S.r.l., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-358-2255 has 1 manufacturer part number on file: NAS43DD3-42N (Aertekno S.r.l.).
Key specifications for NAS43DD3-42N: Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: MIL-A-8625,TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Outside Diameter: 0.3020 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.